我做的JAVA迷宫。有很多功能的

import javax.swing.*; import java.awt.*; import java.awt.event.*; import maze.eng.manage; import maze.eng.mapBuilderChilderOne; import maze.eng.mapBuilderChilderTwo; import maze.eng.mapBuilderFarther; import maze.eng.walkControl; public class Main extends JFrame { int keepGUI = 19; int b = (keepGUI - 2) * 2 + 2; private JLabel[][] area = new JLabel[b][b]; int xContStar; int yContStar; int xContEnd; int yContEnd; mapBuilderFarther builderKeeper; manage theManage; ImageIcon iconsOne = new ImageIcon(getClass().getResource("1.jpg")); ImageIcon iconsTwo = new ImageIcon(getClass().getResource("2.jpg")); ImageIcon iconsThr = new ImageIcon(getClass().getResource("3.jpg")); ImageIcon iconsFou = new ImageIcon(getClass().getResource("4.jpg")); private JMenuItem jmiOpen = new JMenuItem("新游戏"); private JMenuItem jmiClose = new JMenuItem("退出"); private JMenuItem chooseOne = new JMenuItem("简单"); private JMenuItem chooseTwo = new JMenuItem("中等"); private JMenuItem chooseThr = new JMenuItem("困难"); private JMenuItem chooseFou = new JMenuItem("模式1"); private JMenuItem chooseFiv = new JMenuItem("模式2"); public Main(String title) { super(title); xContStar = 0; yContStar = 0; xContEnd = 0; yContEnd = 0; builderKeeper = new mapBuilderChilderOne(); final walkControl control = new walkControl(); JMenu JmenuOne = new JMenu("开始"); JmenuOne.add(jmiOpen); JmenuOne.add(jmiClose); JMenu JmenuTwo = new JMenu("难度"); JmenuTwo.add(chooseOne); JmenuTwo.add(chooseTwo); JmenuTwo.add(chooseThr); JmenuTwo.add(chooseFou); JmenuTwo.add(chooseFiv); JMenuBar jmenuBar = new JMenuBar(); jmenuBar.add(JmenuOne); jmenuBar.add(JmenuTwo); theManage = builderKeeper.getMap(b); final JPanel contentPane = new JPanel(); contentPane.setLayout(new GridLayout(keepGUI,keepGUI)); final JPanel contentButton = new JPanel(); contentButton.setLayout(new BorderLayout()); contentButton.add(jmenuBar,BorderLayout.WEST); Container contentPaneAll = getContentPane(); int count = 0; contentPaneAll.add(contentPane, BorderLayout.CENTER); contentPaneAll.add(contentButton, BorderLayout.NORTH); addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent ev) { int key = ev.getKeyCode(); control.walkCont(key, theManage); printWhe(); int cI = 0; int cJ = 0; for(int i = xContStar; i < xContEnd; i++) { cJ = 0; for(int j = yContStar; j < yContEnd; j++) { if(theManage.getManage(i + 1, j + 1) == '1') { area[cI][cJ].setIcon(iconsOne); } else if(theManage.getManage(i + 1, j + 1) == '2') { area[cI][cJ].setIcon(iconsTwo); } else if(theManage.getManage(i + 1, j + 1) == '3') { area[cI][cJ].setIcon(iconsThr); } else if(theManage.getManage(i + 1, j + 1) == '4') { area[cI][cJ].setIcon(iconsFou); } cJ++; } cI++; } } }); chooseOne.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { b = keepGUI; theManage = builderKeeper.getMap(b); xContStar = 0; yContStar = 0; xContEnd = 0; yContEnd = 0; for(int i = 0; i < keepGUI; i++) { for(int j = 0; j < keepGUI; j++) { if(theManage.getManage(i + 1, j + 1) == '1') { area[i][j].setIcon(iconsOne); } else if(theManage.getManage(i + 1, j + 1) == '2') { area[i][j].setIcon(iconsTwo); } else if(theManage.getManage(i + 1, j + 1) == '3') { area[i][j].setIcon(iconsThr); } else if(theManage.getManage(i + 1, j + 1) == '4') { area[i][j].setIcon(iconsFou); } } } } }); chooseTwo.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { b = (keepGUI - 2) * 2 + 2; theManage = builderKeeper.getMap(b); xContStar = 0; yContStar = 0; xContEnd = 0; yContEnd = 0; for(int i = 0; i < keepGUI; i++) { for(int j = 0; j < keepGUI; j++) { if(theManage.getManage(i + 1, j + 1) == '1') { area[i][j].setIcon(iconsOne); } else if(theManage.getManage(i + 1, j + 1) == '2') { area[i][j].setIcon(iconsTwo); } else if(theManage.getManage(i + 1, j + 1) == '3') { area[i][j].setIcon(iconsThr); } else if(theManage.getManage(i + 1, j + 1) == '4') { area[i][j].setIcon(iconsFou); } } } } }); chooseThr.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { b = (keepGUI - 2) * 6 + 2; theManage = builderKeeper.getMap(b); xContStar = 0; yContStar = 0; xContEnd = 0; yContEnd = 0; for(int i = 0; i < keepGUI; i++) { for(int j = 0; j < keepGUI; j++) { if(theManage.getManage(i + 1, j + 1) == '1') { area[i][j].setIcon(iconsOne); } else if(theManage.getManage(i + 1, j + 1) == '2') { area[i][j].setIcon(iconsTwo); } else if(theManage.getManage(i + 1, j + 1) == '3') { area[i][j].setIcon(iconsThr); } else if(theManage.getManage(i + 1, j + 1) == '4') {